Merge pull request #1351 from dmbaturin/genop

T2719: prototype of an op mode command runner based on type hints and introspection

1 files changed, 84 insertions, 0 deletions

diff --git a/src/op_mode/version.py b/src/op_mode/version.py
new file mode 100755
index 000000000..06208c3e5
--- /dev/null
+++ b/src/op_mode/version.py
@@ -0,0 +1,84 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2016-2022 VyOS maintainers and contributors
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 or later as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+# Purpose:
+#    Displays image version and system information.
+#    Used by the "run show version" command.
+
+import sys
+import typing
+
+import vyos.opmode
+import vyos.version
+import vyos.limericks
+
+from jinja2 import Template
+
+version_output_tmpl = """
+Version:          VyOS {{version}}
+Release train:    {{release_train}}
+
+Built by:         {{built_by}}
+Built on:         {{built_on}}
+Build UUID:       {{build_uuid}}
+Build commit ID:  {{build_git}}
+
+Architecture:     {{system_arch}}
+Boot via:         {{boot_via}}
+System type:      {{system_type}}
+
+Hardware vendor:  {{hardware_vendor}}
+Hardware model:   {{hardware_model}}
+Hardware S/N:     {{hardware_serial}}
+Hardware UUID:    {{hardware_uuid}}
+
+Copyright:        VyOS maintainers and contributors
+{%- if limerick %}
+{{limerick}}
+{% endif -%}
+"""
+
+def _get_raw_data(funny=False):
+    version_data = vyos.version.get_full_version_data()
+
+    if funny:
+        version_data["limerick"] = vyos.limericks.get_random()
+
+    return version_data
+
+def _get_formatted_output(version_data):
+    tmpl = Template(version_output_tmpl)
+    return tmpl.render(version_data).strip()
+
+def show(raw: bool, funny: typing.Optional[bool]):
+    """ Display neighbor table contents """
+    version_data = _get_raw_data(funny=funny)
+
+    if raw:
+        return version_data
+    else:
+        return _get_formatted_output(version_data)
+
+
+if __name__ == '__main__':
+    try:
+        res = vyos.opmode.run(sys.modules[__name__])
+        if res:
+            print(res)
+    except ValueError as e:
+        print(e)
+        sys.exit(1)
+